it is the sound of technology making up for policy. it is where a machine fills the void left by a declining work force. a romaine field outside salinas, california, high pressure water jets cutting heads of lettuce, an efficient eliminator of stoop labor, better for the workers that remain and better for the company that has seen its labor pool drained by foggy immigration rules. >> the purpose of the machine is to reduce our dependency on foreign labor. and numbers in the field in general. all of our fields prior to harvest are microtested where they're coming in and there's random samples taken throughout the field. and before we can bring our equipment in and harvest, those samples have been sent to a lab and the field has been deemed clear. >> mike: this one of two automated harvesters built and designed by taylor farms, a $1.6 billion a year player in the produce business. contracting with hundreds of farmers throughout california and arizona. taylor farms, a 17-year-old company, has a 65% share of the food service market, provid